.classImg{
  position: absolute;
  right: 0px;
  top: 900px;
  width: 156px;
  height: 70px;
  z-index: 9;
  animation: classOpen .5s linear;
}

.classWrapper{
  position: absolute;
  right: 0px;
  top: 768px;
  width: 766px;
  height: 350px;
  z-index: 9;
  background: #ffffff;
  transform-origin: 850px 100px ;
  animation: classList 1s linear;
  >img{
    position: absolute;
    //right: 0px;
    top: 0px;
    width: 766px;
    //height: 370px;
    //transform-origin: 850px 100px ;
    //animation: classList 2s linear 0s;
  }
  .classList{
    position: absolute;
    margin-left: 56px;
    margin-top: 40px;
    width: 666px;
    height: 300px;
    display: flex;
    flex-wrap: wrap;
    transform-origin: 700px 100px ;
    animation: classList 1s linear;
    .title{
      width: 200px;
      height: 70px;
      line-height: 70px;
      border-radius: 35px;
      text-align: center;
      background: #123456;
      font-size: 35px;
      color: #E3E3E3;
      margin-left: 20px;
      letter-spacing: 2px;
    }
  }
  .closeImg{
    position: absolute;
    right: 0px;
    top: 82px;
    width: 125px;
    height: 197px;
    animation: classClose .8s linear;
  }
}
@keyframes classList {
  from { transform: translateX(0px) scale(.2) rotateY(90deg) perspective(100px);}
  to { transform: translateX(0px) scale(1) rotateY(0deg) perspective(100px);}
}
@keyframes classOpen {
  from { transform: translateX(200px) }
  to { transform: translateX(0px) }
}
@keyframes classClose {
  from { transform: translateX(100px) scale(.5)}
  to { transform: translateX(0px) scale(1)}
}
